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J. G. WILSON. A Rolling and Flexible Blind. N0. 236,651.

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l I mil l l -7/Vz7wssef' me). 3- a-LLM UNITED STATES ATENT rricn.

JAMES Gr. W'ILSON, OF NEW YORK, N. Y., ASSIGNOR TO FRANCIS FORBES, OF SAME PLACE.

LEXIBLE BLIND.

SPECIFICATION forming' part of Letters Patent No. 236,651, dated January 11, 1881.

Application filed June 30, 1880. (No model.)

To all whom t may concern:

Be it known that AI, JAMES GODFREY WIL- SON, of the city, county, and State of New York, have invented a new and useful lmprovement in Rolling and Flexible Blinds, which improvement is fully set forth in the following specification, reference being had to the accompanying drawings, in which- Figure l represents a part elevation of my 1o improved blind; and Fig. 2, a transverse scction of the same, taken in the line c. Fig. 3 represents a part elevation of a modification of my invention and Fig. 4, a transverse section thereof, taken in the line c.

Similar letters indicate corresponding parts. My invention consists in the peculiar forni and arrangement of the distance-pieces in reference to the slats, whereby, when the blind is bent or rolled, the distance-pieces are held 2o iirmly at their ends. The distance-pieces by my arrangement are not so liable to be broken by the suspending-wires of the blind when it is bent, and the pressure applied in raising it will be brought to bear more evenly upon the z5 distance-pieces, this giving it greater solidity. In the drawings, the letters B designate the slats, which are of diamond shape and provided with holes at regular intervals parallel to the sides ofthe slats, through which pass (3o the suspending-wires c. Each slat-is counter sunk at every hole through which the wires pass, at either its upper or lower surface, or both, as shown at D in Figs. 2 and 4. The distance-pieces A, which are preferably in the 3 5 shape of a cylinder with flat ends, are threaded upon the wires c and enter into the countersinks when the slats are drawn into place; but when one end only of the distance-pieces is inserted. into the countersinks in the slats 4o the other ends are cut parallel to the face of the slat upon which they abut.

It is unnecessary for carrying out myinven- @www tion to make the countersinks both on the upper and lower faces of the slats, except When great rigidity is required; but the countersinks should be placed upon corresponding surfaces of the slats. In case counter-sinks are made on one side of the slat only they should be made upon the upper side of the slat when the blind is required to coil or bend 5o upon its inner surface. The countersinks should be made 011 the lower side of the Slat.

as at D in Fig. 4, when the blind is required to coil or bend outwardly, the object being to keep those ends of the distance-pieces which arenotinserted in countersinks always in close contact with the face of the slats against which they abut, whether the blind be in a straight` or bent position.

What I claim as new, and desire to secure 6o by Letters Patent, is- A l. A iexible or rolling blind composed of diamond-shaped slats countersunk on both sides for the reception of distance-pieces, such distance-pieces, and suitable means for binding the blind together, substantially as described.

2. A liexible or rolling blind composed of diamond-shaped slats countersunk for the reception ofdistance-pieces, such distance-pieces, 7o whose ends are parallel to the parts of the slats against which they abut, and suitable means for binding the blind together, substantially as described.

3. The combination, in a iiexible or rolling blind, of diamond-shaped slats countersunk for the reception of distance-pieces, together with such distancepieces and means for binding the slats and distance-pieces together, substantially as described.

JAS. G. WILSON.

Witnesses:

HOWARD F. STREVER,

LoUIs KILMARX.

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